#include "tty_wrap.h"

#include "env.h"
#include "env-inl.h"
#include "handle_wrap.h"
#include "node_buffer.h"
#include "node_wrap.h"
#include "req-wrap.h"
#include "req-wrap-inl.h"
#include "stream_wrap.h"
#include "util.h"
#include "util-inl.h"

namespace node {

using v8::Array;
using v8::Context;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::Value;

void TTYWrap::Initialize(Local<Object> target,
    Local<Value> unused,
    Local<Context> context)
{
    Environment* env = Environment::GetCurrent(context);

    Local<FunctionTemplate> t = env->NewFunctionTemplate(New);
    t->SetClassName(FIXED_ONE_BYTE_STRING(env->isolate(), "TTY"));
    t->InstanceTemplate()->SetInternalFieldCount(1);

    env->SetProtoMethod(t, "close", HandleWrap::Close);
    env->SetProtoMethod(t, "unref", HandleWrap::Unref);
    env->SetProtoMethod(t, "hasRef", HandleWrap::HasRef);

    //StreamWrap::AddMethods(env, t, StreamBase::kFlagNoShutdown);//zero

    env->SetProtoMethod(t, "getWindowSize", TTYWrap::GetWindowSize);
    env->SetProtoMethod(t, "setRawMode", SetRawMode);

    env->SetMethod(target, "isTTY", IsTTY);
    env->SetMethod(target, "guessHandleType", GuessHandleType);

    target->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "TTY"), t->GetFunction());
    env->set_tty_constructor_template(t);
}

/*
uv_tty_t* TTYWrap::UVHandle() {
  return &handle_;
}
//zero */

void TTYWrap::GuessHandleType(const FunctionCallbackInfo<Value>& args)
{
    Environment* env = Environment::GetCurrent(args);
    int fd = args[0]->Int32Value();
    NODE_CHECK_GE(fd, 0);

    uv_handle_type t = uv_guess_handle(fd);
    const char* type = nullptr;

    switch (t) {
    case UV_TCP:
        type = "TCP";
        break;
    case UV_TTY: 
        type = "TTY"; 
        break; // zero
    case UV_UDP:
        type = "UDP";
        break;
    case UV_FILE:
        type = "FILE";
        break;
    case UV_NAMED_PIPE:
        type = "PIPE";
        break;
    case UV_UNKNOWN_HANDLE:
        type = "UNKNOWN";
        break;
    default:
        printf("TTYWrap::GuessHandleType, fd:%d, t:%d\n", fd, t);
        ABORT();
    }

    args.GetReturnValue().Set(OneByteString(env->isolate(), type));
}

void TTYWrap::IsTTY(const FunctionCallbackInfo<Value>& args)
{
    int fd = args[0]->Int32Value();
    NODE_CHECK_GE(fd, 0);
    bool rc = uv_guess_handle(fd) == UV_TTY;
    args.GetReturnValue().Set(rc);
}

void TTYWrap::GetWindowSize(const FunctionCallbackInfo<Value>& args)
{
    /*
	Environment* env = Environment::GetCurrent(args);

  TTYWrap* wrap;
  ASSIGN_OR_RETURN_UNWRAP(&wrap,
                          args.Holder(),
                          args.GetReturnValue().Set(UV_EBADF));
  NODE_CHECK(args[0]->IsArray());

  int width, height;
  int err = uv_tty_get_winsize(&wrap->handle_, &width, &height);

  if (err == 0) {
    Local<v8::Array> a = args[0].As<Array>();
    a->Set(0, Integer::New(env->isolate(), width));
    a->Set(1, Integer::New(env->isolate(), height));
  }

  args.GetReturnValue().Set(err);
  //zero */
    args.GetReturnValue().Set(0);
}

void TTYWrap::SetRawMode(const FunctionCallbackInfo<Value>& args)
{
    TTYWrap* wrap;
    ASSIGN_OR_RETURN_UNWRAP(&wrap,
        args.Holder(),
        args.GetReturnValue().Set(UV_EBADF));
    int err = 0; // uv_tty_set_mode(&wrap->handle_, args[0]->IsTrue());	//zero
    args.GetReturnValue().Set(err);
}

void TTYWrap::New(const FunctionCallbackInfo<Value>& args)
{
    Environment* env = Environment::GetCurrent(args);

    // This constructor should not be exposed to public javascript.
    // Therefore we NODE_ASSERT that we are not trying to call this as a
    // normal function.
    NODE_CHECK(args.IsConstructCall());

    int fd = args[0]->Int32Value();
    NODE_CHECK_GE(fd, 0);

    //TTYWrap* wrap = new TTYWrap(env, args.This(), fd, args[1]->IsTrue());
    //wrap->UpdateWriteQueueSize();
}

TTYWrap::TTYWrap(Environment* env, Local<Object> object, int fd, bool readable)
/*: StreamWrap(env,
                 object,
                 reinterpret_cast<uv_stream_t*>(&handle_),
                 AsyncWrap::PROVIDER_TTYWRAP) */
{
    //uv_tty_init(env->event_loop(), &handle_, fd, readable);//zero
}

} // namespace node

NODE_MODULE_CONTEXT_AWARE_BUILTIN(tty_wrap, node::TTYWrap::Initialize)
